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tester [92]
4 years ago
12

Solve the number sentences.write the double fact that helped you solve the double plus 1.

Mathematics
1 answer:
ASHA 777 [7]4 years ago
8 0
1+1=2 2+1=3 (they are double plus 1 expressions
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What is the gradient of the graph shown below. Give answer in simplest for
katovenus [111]

Answer:

1

Step-by-step explanation:

Choose two points on the line:  (-5, 0) and (0, 5)

Let the first point (x_1,y_1) = (-5, 0)

Let the second point (x_2,y_2) = (0, 5)

Use the gradient formula:

\textsf{gradient}=\dfrac{y_2-y_1}{x_2-x_1}=\dfrac{5-0}{0-(-5)}=1

----------------------------------------------------------------------------------------------------

If you want to find the equation of the line, use the point-gradient form of a linear equation:  y-y_1=m(x-x_1)

(where m is the gradient and (x_1,y_1) is a point on the line)

Substituting the values into the formula:

\implies y-0=1(x-(-5))

\implies y-0=x+5

\implies y=x+5

Therefore, the equation of the line is y = x + 5

3 0
2 years ago
Shirts are 5% off. The original price of one shirt is $15. What is the total cost, in dollars, of a shirt at the sale price, inc
Juliette [100K]

Answer:

$15.75

Step-by-step explanation:

\frac{y}{15} :\frac{5}{100}

y × 100 = 5 × 15

100y = 75

100y ÷ 100 = 75 ÷ 100

y = 0.75

$15 - $0.75

$14.25

\frac{y}{15} :\frac{10}{100}

y × 100 = 10 × 15

100y = 150

100y ÷ 100 = 150 ÷ 100

y = 1.5

$14.25 + $1.50

$15.75

8 0
3 years ago
Which is the completely factored form of 12x4 + 39x3 + 9x2?
Troyanec [42]
<h3><u>Explanation</u></h3>
  • Given expression

{12x}^{4}  +  {39x}^{3}  +  {9x}^{2}

  • Factor the expression by using common factor.

We csn pull out 3x² out of the expression.

{3x}^{2} (4 {x}^{2}  + 13x + 3)

We simply pull out the x-term with lowest degree and 3 out of the expression. If another expression cannot be factored after first factoring then that's the final answer.

  • The expression can still be factored. Factor the expression by using two brackets.

{4x}^{2}  + 13x + 3 \\ (4x + 1)(x + 3)

  • New factored form

3 {x}^{2} (4x + 1)(x + 3)

<h3><u>Answer</u></h3>

\large \boxed { {3x}^{2} (4x + 1)(x + 3)}

6 0
3 years ago
Read 2 more answers
Determine whether the geometric series 27 + 18 + 12 + 8 + ... converges or diverges, and identify the sum if it exists.
Ne4ueva [31]

The given geometric series as shown in the question is seen to; Be converging with its' sum as 81

<h3>How to identify a converging or diverging series?</h3>

We are given the geometric series;

27 + 18 + 12 + 8 + ...

Now, we see that;

First term; a₀ = 27

Second Term; a₁ = 2(27/3)

Third term; a₂ = 2²(27/3²)

Fourth term; a₃ = 2³(27/3³)

Thus, the formula is;

2ⁿ(27/3ⁿ)

Applying limits at infinity gives;

2^(∞) * (27/3^(∞)) = 0

Since the  terms of the series tend to zero, we can affirm that the series converges.

The sum of an infinite converging series is:

S_n = a/(1 - r)

S_n = 27/(1 - (2/3)

S_n = 81

Read more about converging or diverging series at; brainly.com/question/15415793

#SPJ1

6 0
2 years ago
Three subtracted from the product of
ololo11 [35]
5w-3 > -29
Add 3 at both sides

5w > -26
Divide 5 at both sides

w > -26/5

6 0
4 years ago
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